package cn.supermaster.management.common.configure;

import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadPoolExecutor;

import cn.supermaster.management.common.utils.ThreadUtils;
import org.apache.commons.lang3.concurrent.BasicThreadFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

/**
 * All rights Reserved, Designed By www.super-bytecode.com
 *
 * @ProjectName: supermaster-management
 * @Package: cn.supermaster.management.common.configure
 * @ClassName: ServerConfiguration
 * @Description: [线程池配置]
 * <p> </p>
 * @Author: [Lance Ting]
 * @Date: 2021/1/10 13:21
 * @Version: V1.0
 * @Copyright: 2021 www.super-bytecode.comn Inc. All rights reserved.
 * TODO: 注意,本文件Lance Ting所作,如果转载或使用请标明具体出处!
 **/
@Configuration
public class ThreadPoolConfiguration {
    // 核心线程池大小
    private int corePoolSize = 50;

    // 最大可创建的线程数
    private int maxPoolSize = 200;

    // 队列最大长度
    private int queueCapacity = 1000;

    // 线程池维护线程所允许的空闲时间
    private int keepAliveSeconds = 300;

    /**
     * @Description: [线程池]
     * <p></P>
     * @Title: threadPoolTaskExecutor
     * @Author: Lance Ting
     * @Date: 2021-01-10
     * @Return: org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor
     */
    @Bean(name = "threadPoolTaskExecutor")
    public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setMaxPoolSize(maxPoolSize);
        executor.setCorePoolSize(corePoolSize);
        executor.setQueueCapacity(queueCapacity);
        executor.setKeepAliveSeconds(keepAliveSeconds);
        // 线程池对拒绝任务(无线程可用)的处理策略
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        return executor;
    }

    /**
     * @Description: [执行周期性或定时任务]
     * <p></P>
     * @Title: scheduledExecutorService
     * @Author: Lance Ting
     * @Date: 2021-01-10
     * @Return: java.util.concurrent.ScheduledExecutorService
     */
    @Bean(name = "scheduledExecutorService")
    protected ScheduledExecutorService scheduledExecutorService() {
        BasicThreadFactory threadFactory = new BasicThreadFactory
                .Builder()
                .namingPattern("schedule-pool-%d")
                .daemon(true)
                .build();
        return new ScheduledThreadPoolExecutor(corePoolSize, threadFactory) {
            @Override
            protected void afterExecute(Runnable runnable, Throwable throwable) {
                super.afterExecute(runnable, throwable);
                ThreadUtils.printException(runnable, throwable);
            }
        };
    }

}
